How many peeps on the earth

What is the most necessary information that happened in the titanic movie

Kublai khan honored his mongol heritage by: a)marring only one wife b)praying facing mecca five times a day c)slaughtering ten chinese officials every year d)building a large enclosed hunting ground at shangdu,his summer palace

Which of the four planes was hijacked first? a.flight 175 b.flight 77 c.flight 11 d.flight 93